{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["protein", "cell type", "RNA", "cell line", "DNA"], "input": "Immunoglobulin molecules on the surface of a B lymphocyte are the endogenous \"receptors\" to which specific antigens bind."}
{"protein": ["Immunoglobulin molecules"], "cell type": ["B lymphocyte"], "RNA": [], "cell line": [], "DNA": []}